OpenZeppelin Contracts
Audited smart contract library for Solidity with secure reusable components.
Crypto and web3 npm MIT
Used in agent projects
166
1.3% of 12,697 public repos built with AI coding agents
Rank in crypto and web3
#16 of 89
by use in those projects
Downloads
954K
npm, last 7 days, @openzeppelin/contracts
GitHub stars
27.3K
last push Oct 9, 2026
How OpenZeppelin Contracts is used
OpenZeppelin Contracts is a dependency in 166 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (1.3%), #16 of 89 in crypto and web3. The most used alternative there is Solana Web3.js. Projects that use it most often also use Hardhat (81.3%), viem (66.9%), dotenv (56.0%).
Often used with OpenZeppelin Contracts
| Hardhat | 81.3% of OpenZeppelin Contracts projects · 46.3× more than average |
|---|---|
| viem | 66.9% of OpenZeppelin Contracts projects · 5.4× more than average |
| dotenv | 56.0% of OpenZeppelin Contracts projects · 3.6× more than average |
| ethers.js | 47.6% of OpenZeppelin Contracts projects · 10.5× more than average |
| Hardhat Toolbox | 38.6% of OpenZeppelin Contracts projects · 53.8× more than average |
| Hardhat Toolbox Viem | 35.5% of OpenZeppelin Contracts projects · 43.0× more than average |
| ts-node | 29.5% of OpenZeppelin Contracts projects · 4.3× more than average |
| Hardhat ethers Plugin | 27.7% of OpenZeppelin Contracts projects · 60.7× more than average |
By coding agent
| Claude Code | 0.5% of projects set up for it |
|---|---|
| Cursor | 0.4% of projects set up for it |
Share of public repos configured for each agent that list OpenZeppelin Contracts as a dependency.
Install
| Package | npm install @openzeppelin/contracts |
|---|---|
| Packages counted | @openzeppelin/contracts, @openzeppelin/contracts-upgradeable, @openzeppelin/hardhat-upgrades, @openzeppelin/merkle-tree, @openzeppelin/subgraphs, @openzeppelin/gsn-helpers, @openzeppelin/upgrades, @openzeppelin/test-helpers |
| Main stacks | TypeScript / JavaScript (116), Next.js (40), Rust (6), Python (4) |
| Example projects | blockscout/frontend, FairCrypto/XEN-crypto, zeta-chain/toolkit, tangle-network/dapp, code-423n4/2024-08-phi |
Alternatives to OpenZeppelin Contracts
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| Solana Web3.js npm Official JavaScript SDK for interacting with the Solana blockchain. |
2,099 (16.5%) | 2.6M | 2,767 | MIT |
| viem npm TypeScript interface for Ethereum with type-safe interactions. |
1,566 (12.3%) | 6.5M | 3,577 | MIT |
| Solana SPL Token npm JavaScript API for interacting with Solana's SPL Token program. |
924 (7.3%) | 1.2M | 223 | Apache-2.0 |
| wagmi npm React hooks library for Ethereum interactions and wallet connections. |
650 (5.1%) | 1M | 6,759 | MIT |
| ethers.js npm Complete Ethereum library for building dapps, wallets and blockchain tools. |
574 (4.5%) | 3.6M | 8,710 | MIT |
| Solana Wallet Adapter npm React hooks and UI for connecting Solana wallets to dapps with state management. |
547 (4.3%) | 1M | 2,030 | Apache-2.0 |
| Anchor npm Framework for developing Solana smart contracts with TypeScript and Rust. |
438 (3.4%) | 851K | 5,142 | (MIT OR Apache-2.0) |
| solders pypi Python bindings for Solana Rust tools enabling efficient blockchain interaction. |
423 (3.3%) | 388K | 449 | — |